2021-2022 英语周报 八年级 外研 60答案

书面表达unlock the door, you'll never get inneDear MikeHow is everything going? I'm writing to tell you that next weIr's said that many fantastic works of art have been prepared to be exhibited, such as paper cuttings, shadow plays andll holdart exhibiChinese knots. Through these amazing works we're sure to learn more about the colorful history and great value of Chineseulture, Also, during this activity we can know about some great artists who have made these awesome works.Going together with me. you will surely have an unforgettable experience, Looking forward to your early reply【高三核摸拟英语(参考答案

(4)①当滴入最后一滴标准液时,生成砖红色沉淀,且30s内不消失(2分)防止硝酸银溶液见光分解(2分)球形干燥管(1分)(3)静置分层,取下层溶液,蒸馏,收集132℃的馏分(2分)分②90%(2锂辉石(1分③低(2分)的。但辉石转化为和浓硫酸反应的

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